Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Write an algorithm for quick sort?

Virtusa,

1032

Explain access specifiers?

Thomson Reuters, Virtusa,

1176

Explain the concept of proper inheritance?

Thomson Reuters, Virtusa,

1068

When should a function throw an exception?

Thomson Reuters, Virtusa,

1046

When do you call copy constructor?

Tavant Technologies, Virtusa,

976

Difference between operator overloading and function overloading

Tavant Technologies, Virtusa,

1063

Explain about OOPS concepts and fundamentals.

Syntel, Visa,

1044

State the difference between strings and arrays.

Syntel, Visa,

1245

State two differences between C and Java.

Syntel, Visa,

1335

What do you mean by pointer value and address?

Syntel, Visa,

1050

What is a two-pass assembler?

Syntel, Visa,

1053

What is the difference between a loader and a compiler?

Syntel, Visa,

1036

Explain OOPs concept.

Syntel, Visa,

1083

Explain polymorphism citing an example.

Amazon,

1042

What are exceptions

Futures First,

1100

Un-Answered Questions { Java J2EE }

what is the final keyword denotes in java?

1090

How to make an immutable class in hibernate?

417

What are the advantages of java inner classes?

1070

What is the current version of java?

1038

What are the different methods of identifying an object?

1078

Is the ternary operator written x : y ? Z or x ? Y : z ?

1114

What is ++ a in java?

979

List the common jdbc exceptions ?

1002

Hi Friends. I want complete technical flow of j2ee project with following technologies. jsp , servlet , Struts , Hibernate , (should follow mvc-2 design pattern) . with DAO ,DTO SERVICE layers .

4807

What do you mean by beanfactory in spring?

421

What is meant by orm in hibernate?

390

What are callback interfaces in hibernate?

369

What is while rs next ())?

945

What is lazy and eager initialization?

345

Is integer passed by reference in java?

1011

For More Un-Answered { Java J2EE } Questions Click Here